<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/react.development.js"></script>
    <script src="../js/react-dom.development.js"></script>
    <script src="../js/babel.min.js"></script>
    <script src="../js/prop-types.js"></script>
</head>
<body>
    <div id="root"></div>
    <script type="text/babel">
        class EventHandling extends React.Component {
            constructor(props) {
                super(props);
                this.method1 = this.method1.bind(this);
            }
            method1() {
                console.log('bind: ' + this);
            }
            method2 = () => {
                console.log('=> :' + this);
            }
            method3() {
                console.log('render: ' + this);
            }
            render() {
                return (
                    <div>
                        <button onClick={this.method1}>method1</button>
                        <button onClick={this.method2}>method2</button>
                        <button onClick={this.method3.bind(this)}>method3</button>
                    </div>
                )
            }
        }

        ReactDOM.render(<EventHandling/>, document.getElementById('root'));
    </script>
</body>
</html>